Home / 219,965,734.20-329,948,601.30-216,564,511.80

Finding the Fourth Proportional to 219,965,734.20, 329,948,601.30 and 216,564,511.80

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Solution

The fourth proportional to 219,965,734.20, 329,948,601.30 and 216,564,511.80 is: 324,846,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,965,734.20 : 329,948,601.30 = 216,564,511.80 : x
  2. Step 2: Convert to fraction form
    219,965,734.20/329,948,601.30 = 216,564,511.80/x
  3. Step 3: Cross multiply
    219,965,734.20x = 329,948,601.30 × 216,564,511.80
  4. Step 4: Simplify right side
    219,965,734.20x = 71,455,157,759,627,352
  5. Step 5: Solve for x
    x = 71,455,157,759,627,352/219,965,734.20
  6. Step 6: Final answer
    x = 324,846,767.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.